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AnnZ [28]
3 years ago
12

There are 9 showings of a film about endangered species at the science museum. A total of 459 people saw the film. The same numb

er of people were at each showing. About how many people were at each showing?A. 40 and 50B. 50 and 60 C. 60 and 70 D. 70 and 80
Mathematics
1 answer:
Delicious77 [7]3 years ago
7 0

Answer: B. 50 and 60

Step-by-step explanation:

Given : There are 9 showings of a film about endangered species at the science museum.

The total number of people saw the film = 459

Also, The same number of people were at each showing.

Then, the number of people were at each showing = Total people divided by Total showings

= 459 ÷ 9 = 51

Also, 50< 51 < 60  [the quotient is between 50 and 60.]

i.e.  About 50 and 60 people were at each showing .

Hence, the correct answer is B. 50 and 60.

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Step-by-step explanation:

To solve this we can use a system of equations.

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<u>Using these variables, we can set up 2 equations using info provided:</u>

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Use substitution to solve.

<u>From the second equation:</u>

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Substitute that into the first equation.

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Combine like terms.

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Divide both sides by 2.

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Substitute y=16 into equation 2.

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Subtract 7 from both sides.

x=9

Therefore, there are 16 males and 9 females in the french class.

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The function f(x) = e^2 is not an exponential functional. Rather, it is a constant function. The reason for this is that in f(x) = e^2, there is no x involved on the right hand side of the equation. The approximate value of e is 2.718281, and the approximate value of 2.718281^2 is 7.389051. This means that f(x) = e^2 = 7.389051. It is important to note that for any value of x, the value of the function remains fixed. This is because the function does not involve the variable x in it. The graph of the function will be a line parallel to the x-axis, and the y-intercept will be 7.389051. For all the lines parallel to x-axis, the value of the function remains the same irrespective of the value of x. Also, the derivative of the function with respect to x is 0, which means that the value of the function is unaffected by the change in the value of x!!!

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